package com.tdr.myandroid;

import java.util.ArrayList;
import java.util.Locale;

import android.app.Activity;
import android.app.ActionBar;
import android.app.AlertDialog;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.content.DialogInterface;
import android.support.v13.app.FragmentPagerAdapter;
import android.os.Bundle;
import android.support.v4.view.ViewPager;
import android.text.InputType;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.EditText;

import com.tdr.myandroid.model.EventObject;
import com.tdr.myandroid.model.EventProtocol;
import com.tdr.myandroid.model.Profile;


public class MainActivity extends Activity implements ActionBar.TabListener, ItemFragment.OnFragmentInteractionListener {

    /**
     * The {@link android.support.v4.view.PagerAdapter} that will provide
     * fragments for each of the sections. We use a
     * {@link FragmentPagerAdapter} derivative, which will keep every
     * loaded fragment in memory. If this becomes too memory intensive, it
     * may be best to switch to a
     * {@link android.support.v13.app.FragmentStatePagerAdapter}.
     */
    SectionsPagerAdapter mSectionsPagerAdapter;

    /**
     * The {@link ViewPager} that will host the section contents.
     */
    ViewPager mViewPager;
    private ArrayList<Profile> profiles = new ArrayList<Profile>(0);

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // Set up profiles
        Profile profile = new Profile("MyProfile");
        EventProtocol e = new EventObject("TEST", "");
        e.activate(true);
        EventProtocol e2 = new EventObject("Test2", "");
        profile.addEvent(e);
        profile.addEvent(e2);
        this.profiles.add(profile);

//        Profile newProfile = new Profile(" + ");
//        this.profiles.add(newProfile);

        // Set up the action bar.
        final ActionBar actionBar = getActionBar();
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

        // Create the adapter that will return a fragment for each of the three
        // primary sections of the activity.
        mSectionsPagerAdapter = new SectionsPagerAdapter(getFragmentManager());

        // Set up the ViewPager with the sections adapter.
        mViewPager = (ViewPager) findViewById(R.id.pager);
        mViewPager.setAdapter(mSectionsPagerAdapter);

        // When swiping between different sections, select the corresponding
        // tab. We can also use ActionBar.Tab#select() to do this if we have
        // a reference to the Tab.
        mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
            @Override
            public void onPageSelected(int position) {
                actionBar.setSelectedNavigationItem(position);
            }
        });

        // For each of the sections in the app, add a tab to the action bar.
        for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) {
            // Create a tab with text corresponding to the page title defined by
            // the adapter. Also specify this Activity object, which implements
            // the TabListener interface, as the callback (listener) for when
            // this tab is selected.
            actionBar.addTab(
                    actionBar.newTab()
                            .setText(mSectionsPagerAdapter.getPageTitle(i))
                            .setTabListener(this)
            );
        }
    }

    @Override
    public void onFragmentInteraction(String id) {

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        switch (id) {
            case R.id.action_add:
                final ActionBar.Tab tab = getActionBar().newTab().setTabListener(this);
                // Building alert dialog
                AlertDialog.Builder builder = new AlertDialog.Builder(this);
                final EditText input = new EditText(this);
                input.setInputType(InputType.TYPE_CLASS_TEXT);
                builder.setView(input);

                builder.setTitle("New Profile");
                builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        profiles.add(new Profile(input.getText().toString()));
                        mSectionsPagerAdapter.notifyDataSetChanged();

                        getActionBar().addTab(tab.setText(input.getText().toString()));
                    }
                });

                builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        dialogInterface.cancel();
                    }
                });

                builder.show();

                return true;
            case R.id.action_remove:
                int total = getActionBar().getNavigationItemCount();
                if (total != 1) {
                    int index = getActionBar().getSelectedNavigationIndex();
                    getActionBar().setSelectedNavigationItem((index + 1) % total);
                    getActionBar().removeTab(getActionBar().getSelectedTab());
                    Log.e("onOptionsItemSelected", "remove " + profiles.get(index).getName());
                    profiles.remove(index);
                    mSectionsPagerAdapter.notifyDataSetChanged();
                }
                return true;
            default:
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public void onTabSelected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
        // When the given tab is selected, switch to the corresponding page in
        // the ViewPager.
        mViewPager.setCurrentItem(tab.getPosition());
    }

    @Override
    public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
    }

    @Override
    public void onTabReselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
    }

    /**
     * A {@link FragmentPagerAdapter} that returns a fragment corresponding to
     * one of the sections/tabs/pages.
     */
    public class SectionsPagerAdapter extends FragmentPagerAdapter {

        public SectionsPagerAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public Fragment getItem(int position) {
            // getItem is called to instantiate the fragment for the given page.
            return ItemFragment.newInstance(profiles.get(position));
        }

        @Override
        public int getCount() {
            // Show 3 total pages.
            return profiles.size();
        }

        @Override
        public CharSequence getPageTitle(int position) {
            Locale l = Locale.getDefault();
            return profiles.get(position).getName().toUpperCase(l);
        }
    }
}
